We are making slime challenge with blindfolds! Who do you think won the challenge? Karina or Ronald?Subscribe to SIS vs BRO - http://bit.ly/sisvsbro https://. 10 oct. 2018 · Watch to the end if you are a SUPER FAN!!!! Here are 25 things you did not know about SIS vs BRO! We'll let you on some of our secrets, and reveal 25 things you did not know! Subscribe to SIS.